Answer to Question #161591 in Molecular Biology for Virat

Question #161591

7) The nucleotides are arranged in the following sequence: AAAGAACAC. How will the amino acid sequence in the polypeptide chain encoded by this region of the gene change if the first nucleotides are replaced in all codons: in the first codon A with G, in the second - G for A, in the third - C for T?


1
Expert's answer
2021-02-17T12:39:26-0500

AAA GAA CAC Original gene (template DNA) sequence

UUU CUU GUG mRNA sequence

Phe Leu Val Sequence of amino acids


After substitution of the first nucleotide

GAA AAA TAC resultant gene sequence

CUU UUU AUG resultant mRNA sequence

Leu Phe Met Changed amino acid sequence



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